Reagents, C

Chromatography Reagents, Reagents, C

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Reagents, C Chromatography Reagents

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  • Silica gel 60, 0.075-0.2mm; 70-200 mesh

    BeanTown Chemical

    CAS: 63231-67-4 EC No: 231-545-4 MDL No: MFCD00011232 Powder, S.A. 470-570 m2/g Melting Point: >1600° Boiling Point: 2230°

  • Exempted Drug of Abuse Reference Standards

    Restek

    Note: Stressed shipping studies indicate that this product remains stable after being continuously exposed to an elevated temperature of 40°C for 7 days. Ground freight is the default shipping method for this product; expedited methods are available upon request.

  • Methyl P-Hydroxybenzoate

    MP Biomedicals

    Methyl p-Hydroxybenzoate is the methyl ester of p-hydroxybenzoic acid. It can be used to inhibit yeast growth and can also be used as an antimicrobial agent for Grampositive anaerobic bacteria. It must be suspended in ethanol first, since it does not dissolve readily in water. It is also indicated…

  • Single-Component Explosives Solutions

    Restek

    These materials support nitroaromatic, nitramine, and nitroester analyses by GC-ECD (Method 8095). 1 , 2 Compounds listed are explosives, manufacturing intermediates, or degradation products. Method 8095 mixtures contain the components at concentration ratios appropriate for ECD. Supports…

  • Molecular Sieve, 5A 8-12 Mesh Beads

    GFS Chemicals

    CAS#: 1344-02-1

  • L-Tartaric Acid

    Amresco

    Grade: ACS Molecular Weight: 15.1

  • Certified Aromatics in Gasoline (16 components)

    Restek

    Confirm unleaded gasoline TPH, BTEX, and aromatics in a single analysis. Certificate of Analysis includes concentration of TPH, and certified concentrations of BTEX and individual aromatics. Complete data pack available. Compound List Certified for: Benzene* Ethylbenzene* m-Ethyltoluene*…

  • Florisil®, 60-100 Mesh

    GFS Chemicals

    Suitable as adsorbent in gas chromatography. Magnesium Silicate Activated at 650°C.

  • Canadian Drinking Water Carbamates Mix (5 components)

    Restek

    Compound List Aldicarb (116-06-3) Bendiocarb (22781-23-3) Carbaryl (Sevin) (63-25-2) Carbofuran (1563-66-2) Triallate (2303-17-5)

  • Delta-8-Tetrahydrocannabinol (THC) Standard

    Restek

    Compound List Delta-8-tetrahydrocannabinol (THC) (5957-75-5)

  • Haloacetic Acid Mix (9 components)

    Restek

    Compound List Bromochloroacetic acid (5589-96-8) Bromodichloroacetic acid (71133-14-7) Chlorodibromoacetic acid (5278-95-5) Dibromoacetic acid (631-64-1) Dichloroacetic acid (79-43-6) Monobromoacetic acid (79-08-3) Monochloroacetic acid (79-11-8) Tribromoacetic acid (75-96-7) Trichloroacetic acid (76-03-9)

  • Pesticides Mix #1, Method 527 (16 components)

    Restek

    Compound List Atrazine (1912-24-9) Bifenthrin (82657-04-3) Esbiol (Bioallethrin, S-cyclopentyl isomer) (28434-00-6) Bromacil (314-40-9) Esfenvalarate (66230-04-4) Fenvalarate (51630-58-1) Hexazinone (Velpar) (51235-04-2) Kepone (143-50-0) Mirex (2385-85-5) Nitrofen (1836-75-5) Norflurazon…

  • Organochlorine Pesticide System Evaluation Mix (2 components)

    Restek

    Designed for daily assessment of system performance. Reveals active sites in the injection port and/or GC column. Prepared in MTBE—low expansion volume helps minimize backflash. Daily testing for DDT and endrin degradation, a requirement of US EPA Methods 508/508.1, 608, 617, 625,…

  • USP <467> Singles

    Restek

    The United States Pharmacopeia (USP) General Chapter <467> Residual Solvents is a widely used compendial method intended for identifying and quantifying residual solvents in drug substances, drug products, and excipients. In an attempt to better mirror the International Conference on…

  • 8260 MegaMix Calibration Mix (76 components)

    Restek

    Contains 76 compounds in one convenient ampul for the analysis of VOCs in solid waste. Quantitatively analyzed to confirm concentration and identity of each compound. Compound List Acetonitrile (75-05-8) Acrylonitrile (107-13-1) Allyl chloride (3-chloropropene) (107-05-1) Benzene (71-43-2)…

  • Silica Gel 60 GF254

    MilliporeSigma

    Standardized sorbents ensure reliable results every time. EMD Millipore’s broad spectrum meets all kinds of needs. In TLC, silica gel 60 sorbent is considered the most versatile. Our assortment of silica gel 60 features different grades with particle sizes ranging from 5-40 µm: silica with a gypsum…

  • Silica gel 60, 0.060-0.2mm; 70-230 mesh

    BeanTown Chemical

    CAS: 63231-67-4 EC No: 231-545-4 MDL No: MFCD00011232 RTECS: VV7565000 Powder Melting Point: >1600° Boiling Point: 2230°

  • Gasoline Component Standard (10 components)

    Restek

    Compound List Benzene (71-43-2), 500 µg/mL Ethylbenzene (100-41-4), 500 µg/mL Heptane (142-82-5), 500 µg/mL 2-Methylpentane (107-83-5), 1,500 µg/mL Toluene (108-88-3), 1,500 µg/mL 1,2,4-Trimethylbenzene (95-63-6), 1,000 µg/mL 2,2,4-Trimethylpentane (isooctane) (540-84-1), 1,500 µg/mL m-Xylene…

  • GC Multiresidue Pesticide Standard #8 (24 components)

    Restek

    Accurately identify and quantify pesticide residues by GC-MS/MS in fruits, vegetables, botanicals, and herbals such as tea, ginseng, ginger, echinacea, and dietary supplements. Formulated and grouped for maximum long-term stability*. Quantitatively tested to confirm composition; detailed…

  • AMPA (glyphosate metabolite)

    Restek

    Compound List Aminomethyl phosphonic acid (AMPA) (1066-51-9)

  • N-Hexadecane Reference Substance For Gas Chromatography

    MilliporeSigma

    Formula: CH3(CH2)14CH3 CAS No.: 544-76-3 Solubility: (20°C) insoluble Melting Point: 18°C Molar Mass: 226.44 g/mol Boiling Point: 287°C Vapor Pressure: Flash Point: 135°C Density: 0.77 g/cm3 (20°C) Viscosity Kinematic: Hill Formula: C16H34

  • Methyl Laurate Reference Substance For Gas Chromatography

    MilliporeSigma

    CAS No.: 111-82-0 Melting Point: 5°C Molar Mass: 214.34 g/mol Boiling Point: >204°C Flash Point: 115.6°C Density: 0.87 g/cm3 (20°C) Hill Formula: C13H26O2

  • Silica Gel 60 PF254 Containing Gypsum

    MilliporeSigma

    Standardized sorbents ensure reliable results every time. EMD Millipore’s broad spectrum meets all kinds of needs. In TLC, silica gel 60 sorbent is considered the most versatile. Our assortment of silica gel 60 features different grades with particle sizes ranging from 5-40 µm: silica with a gypsum…

  • (s)-(-)-1,2,4-Butanetriol

    Restek

    Compound List (s)-(-)-1,2,4-Butanetriol (42890-76-6)

  • MP EcoChrom™ Alumina R, 63-200µm

    MP Biomedicals

    MP EcoChrom™ Alumina R is an acid alumina, developed for use in isotope chemistry. MP EcoChrom™ Alumina R catalyses a variety of reactions that are useful industrially. It is widely used to remove water from gas streams. Also used for its hardness and strength. It is widely used as…

  • Monolein (1-mono[cis-9-octadecenoyl]-rac-glycerol)

    Restek

    Compound List Monolein (1-mono[cis-9-octadecenoyl]-rac-glycerol) (111-03-5)

  • MP EcoChrom™ Alumina N, 32-63 µm, Active

    MP Biomedicals

    MP EcoChrom™ Alumina N is an amphoteric oxide. It is commonly referred to as alumina (α-alumina), aloxide, or corundum in its crystalline form, as well as many other names, reflecting its widespread occurrence in nature and industry. An oxide of aluminum, occurring in nature as various…

  • MP EcoChrom™ Alumina N, Activity: Super I

    MP Biomedicals

    MP EcoChrom™ Alumina N, activity Super I shows adsorbtion capacity approximately twice as high as that of MP EcoChrom™ Alumina N, Activity I. Their inital activity is kept in a very narrow range and their deactivation behavior is extremely constant. MP EcoChrom™ Alumina N,…

  • 8260 MegaMix Calibration Mix, Revised (75 components)

    Restek

    Contains 75 compounds in one convenient ampul for the analysis of VOCs in solid waste. Quantitatively analyzed to confirm concentration and identity of each compound. Excludes pentachloroethane for labs experiencing elevated tetrachloroethene response caused by pentachloroethane breakdown. …

  • MP EcoChrom™ Alumina A, Activity: I, 63-200µm

    MP Biomedicals

    MP EcoChrom™ Alumina B, Activity I are good "all-round" adsorbents for laboratory use as well as for industrial use. They can be adjusted to lower activity by the addition of polar media, preferably water, but also higher alcohols, e.g. glycol or glycerol can be used. An oxide of…

  • MP EcoChrom™ Alumina B, Activity: I

    MP Biomedicals

    MP EcoChrom™ Alumina B, Activity I are a good "all-round" adsorbents for laboratory use as well as for industrial use. They can be adjusted to lower activity by the addition of polar media, preferably water, but also higher alcohols, e.g. glycol or glycerol can be used. An oxide of…

  • MP EcoChrom™ Alumina B Activity: Super I

    MP Biomedicals

    MP EcoChrom™ Alumina, Activity Super I is essentially aluminum oxide, Al2O3, occurring in nature as minerals bauxite, bayerite, corundum, etc. CS72 Its high consistency of the initial activity and its deactivation behaviour makes it a favourable product. MP…

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